Class information for:
Level 1: CRATER DETECTION//CRATER DETECTION ALGORITHM//AUTOMATIC CRATER DETECTION

Basic class information

Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes

The table includes all classes above and classes immediately below the current class.



Cluster id Level Cluster label #P
22 4 AUTOMATION & CONTROL SYSTEMS//ENGINEERING, CIVIL//ACOUSTICS 457813
58 3       ROBOTICS//AUTOMATION & CONTROL SYSTEMS//JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 94289
985 2             JOURNAL OF GUIDANCE CONTROL AND DYNAMICS//ENGINEERING, AEROSPACE//JOURNAL OF THE ASTRONAUTICAL SCIENCES 10872
31680 1                   CRATER DETECTION//CRATER DETECTION ALGORITHM//AUTOMATIC CRATER DETECTION 163

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CRATER DETECTION authKW 1566178 6% 90% 9
2 CRATER DETECTION ALGORITHM authKW 1353489 4% 100% 7
3 AUTOMATIC CRATER DETECTION authKW 386711 1% 100% 2
4 AUTONOMOUS OPTICAL NAVIGATION authKW 386711 1% 100% 2
5 CRATER DETECTION ALGORITHMS CDAS authKW 386711 1% 100% 2
6 EUROPEAN SPACE OPERAT address 307824 7% 14% 11
7 OPTICAL NAVIGATION authKW 284339 3% 29% 5
8 ACCIDENT FATALITIES authKW 193356 1% 100% 1
9 ADAPTIVE CANNY ALGORITHM authKW 193356 1% 100% 1
10 ADAPTIVE EDGE DETECTION ALGORITHM authKW 193356 1% 100% 1

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Aerospace 11239 40% 0% 65
2 Imaging Science & Photographic Technology 958 11% 0% 18
3 Remote Sensing 700 9% 0% 15
4 Astronomy & Astrophysics 404 21% 0% 35
5 Geosciences, Multidisciplinary 232 15% 0% 24
6 Computer Science, Artificial Intelligence 204 10% 0% 16
7 Instruments & Instrumentation 118 9% 0% 15
8 Meteorology & Atmospheric Sciences 112 8% 0% 13
9 Robotics 108 2% 0% 4
10 Engineering, Electrical & Electronic 98 17% 0% 27

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 EUROPEAN SPACE OPERAT 307824 7% 14% 11
2 DEEP SPACE 193356 1% 100% 1
3 E GEOFIS 193356 1% 100% 1
4 EARTH SPACE EXPLORAT LUNAR RECON ORIBITER S 193356 1% 100% 1
5 ESA DIRECTORATE EARTH OBSERV 193356 1% 100% 1
6 FLIGHT SAFETY SYST 193356 1% 100% 1
7 GEO SIST 193356 1% 100% 1
8 GEOL SCI REMOTE SENSING EARTH PLANETS 193356 1% 100% 1
9 INFORMAT TECHNOL INS 193356 1% 100% 1
10 MECH AEROSP OURCES 193356 1% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ACTA ASTRONAUTICA 18456 15% 0% 24
2 JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 5488 8% 0% 13
3 JOURNAL OF SPACECRAFT AND ROCKETS 5385 7% 0% 11
4 PLANETARY AND SPACE SCIENCE 4709 7% 0% 12
5 ASTRONAUTICS & AERONAUTICS 3168 1% 2% 1
6 ADVANCES IN SPACE RESEARCH 2810 7% 0% 12
7 ESA BULLETIN-EUROPEAN SPACE AGENCY 1971 1% 1% 1
8 JOURNAL OF GUIDANCE AND CONTROL 1709 1% 1% 1
9 IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 1409 3% 0% 5
10 JOHNS HOPKINS APL TECHNICAL DIGEST 999 1% 0% 2

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 CRATER DETECTION 1566178 6% 90% 9 Search CRATER+DETECTION Search CRATER+DETECTION
2 CRATER DETECTION ALGORITHM 1353489 4% 100% 7 Search CRATER+DETECTION+ALGORITHM Search CRATER+DETECTION+ALGORITHM
3 AUTOMATIC CRATER DETECTION 386711 1% 100% 2 Search AUTOMATIC+CRATER+DETECTION Search AUTOMATIC+CRATER+DETECTION
4 AUTONOMOUS OPTICAL NAVIGATION 386711 1% 100% 2 Search AUTONOMOUS+OPTICAL+NAVIGATION Search AUTONOMOUS+OPTICAL+NAVIGATION
5 CRATER DETECTION ALGORITHMS CDAS 386711 1% 100% 2 Search CRATER+DETECTION+ALGORITHMS+CDAS Search CRATER+DETECTION+ALGORITHMS+CDAS
6 OPTICAL NAVIGATION 284339 3% 29% 5 Search OPTICAL+NAVIGATION Search OPTICAL+NAVIGATION
7 ACCIDENT FATALITIES 193356 1% 100% 1 Search ACCIDENT+FATALITIES Search ACCIDENT+FATALITIES
8 ADAPTIVE CANNY ALGORITHM 193356 1% 100% 1 Search ADAPTIVE+CANNY+ALGORITHM Search ADAPTIVE+CANNY+ALGORITHM
9 ADAPTIVE EDGE DETECTION ALGORITHM 193356 1% 100% 1 Search ADAPTIVE+EDGE+DETECTION+ALGORITHM Search ADAPTIVE+EDGE+DETECTION+ALGORITHM
10 ADAPTIVE GAUSSIAN FILTER 193356 1% 100% 1 Search ADAPTIVE+GAUSSIAN+FILTER Search ADAPTIVE+GAUSSIAN+FILTER

Core articles

The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1



rank cluster_id2 link
1 27997 X RAY PULSAR//X RAY PULSAR BASED NAVIGATION//PULSAR NAVIGATION
2 37545 MECHATRON AEROSP//FSAPDS PROJECTILE//MPMTM
3 18037 MARS ENTRY//ATMOSPHER FLIGHT ENTRY SYST BRANCH//ENTRY GUIDANCE
4 616 MOON//MOON SURFACE//JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS
5 8046 HOUGH TRANSFORM//CIRCLE DETECTION//ELLIPSE DETECTION
6 11211 STAR SENSOR//ATTITUDE DETERMINATION//STAR TRACKER
7 13365 SOLAR SAIL//ADV SPACE CONCEPTS//ELECTRIC SOLAR WIND SAIL
8 29675 EARTH OBSERVATION SATELLITES//SATELLITE SCHEDULING//AGILE SATELLITE
9 290 ASTEROIDS//MINOR PLANETS ASTEROIDS GENERAL//ICARUS
10 30008 REFLECTIVE TOMOGRAPHY//LADAR TECHNOL BRANCH//SYNTHETIC APERTURE IMAGING LADAR

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